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Green Buildings for Quality Living Introduction Green buildings are eco-friendly, resource efficient and are very energy efficient and are designed and commissioned to ensure they are healthy for its occupants. They are more comfortable and easier to live with due to low operating and owning costs. Merits Lower operating costs (by 30%- 40%) Improve occupant … Read more
Flood Routing by Reservoir Safety Inspection of Dams The dams are national property – constructed for the development of the national economy and in which large investments and other resources have been deployed. The safety of the dam is a very important aspect for safeguarding the national investment and the benefits derived by the nation … Read more
Activated Sludge Process and Kinetics of ASP Introduction Activated Sludge Process is the suspended-growth biological treatment process, based on providing intimate contact between the sewage and activated sludge. The Activated Sludge is the sludge obtained by settling sewage in presence of abundant O2 so as to enrich with aerobic micro-organisms. Activated sludge in … Read more
Pavement Design (with examples) Outline Pavement Purpose Pavement Significance Pavement Condition Pavement Types Flexible Rigid Pavement Design Example Pavement Purpose Load support Smoothness Drainage Pavement Significance How much pavement? – 3.97 million Centerline miles in U.S. – 2.5 million miles (63%) are paved – 8.30 million lane-miles total – Largest single use of HMA and … Read more
Elements of Theory of Elasticity (with solved examples) Introduction: Applications of the finite element method include elasticity problems also. Theory of elasticity deals with the stress and displacements in elastic solids generated by external forces. Some Important Aspects in theory of elasticity: Stress Components There are two types of stresses acting on each face of … Read more
Design fundamentals of sedimentation tanks What is sedimentation and sedimentation tank??? Sedimentation is a process used for various stages within a wastewater treatment plant to reduce the concentration of settleable and suspended matter. Sedimentation tanks, commonly referred to as clarifiers, are described as primary, intermediate and final clarifiers dependent upon the process stage. Primary … Read more
Modulus of Elasticity and Poisson Ratio of Concrete (with example) Outline Find the modulus of Elasticity of concrete Find Poisson’s Ratio of Concrete Introduction Compressive Strength of Concrete – Standardardized test of concrete American Society for Testing and Materials (ASTM) – Specifications include Correct mix Properly affixing strain gauges Properly capping the cylinder with sulfur … Read more
Earthquakes Outline What is Earthquake Types of Seismic Waves Effects of Earthquakes Site Selection Building Construction Materials Building Planning | Earthquake Resistant Buildings Earthquake Resistant Techniques Summary and Conclusion What is Earthquake? Earthquake is a sudden tremor or movement of the earth’s crust, which originate naturally at … Read more
Fundamentals of Prestressed Concrete Bridge (with solved example) Introduction: In prestressed concrete, a prestress force is applied to a concrete member and this induces an axial compression that counteracts all, or part of, the tensile stresses set up in the member by applied loading. In the field of bridge engineering, the introduction of prestressed concrete … Read more